Power-operated wellbore drilling tools, namely, drill bits, drill shoes and drill collars for use in the drilling of wells; power-operated wellbore cleanup tools, namely, wipers, brushes, scrapers, jets and junk subs for use in the cleaning of wellbores, wellbore tubulars, casings, strings and liners; power operated wellbore tools, namely, stabilizers, centralizers, expanders, cutters, perforators, and packers for wellbore tubing; power-operated wellbore tools for use in the circulation of wellbore fluid, namely, jetting subs, flow diverter subs and fluid circulation subs; power-operated wellbore fishing tools namely, impression blocks, overshots, jars and spears, all for use in the retrieval of components and equipment located in wells; and structural replacement parts for all of the aforesaid goods